NGK is the leader in motorcycle spark plugs, with spark plugs for virtually every motorcycle, ATV, and scooter application in the world and is the world's leader in spark plug engineering and technology.
OEM Approved
Specified by more motorcycle manufacturers than any other spark plug company
STANDARD & RESISTOR SPARK PLUGS
The workhorse, at the heart of smooth-running engines around the world. Available in standard or resistor.
OEM Quality
Triple-Gasket Sealing Process
Consistent Performance
Plug of Choice in Millions of Motorcycles, ATVs, and Scooters
OE LASER IRIDIUM SPARK PLUGS
More Durability and a Higher Melting Point Than Platinum
Better Center Electrode Anti-Oxidation and Anti-Erosion
Improved Ignition
Superior Anti-Fouling
Lower Required Voltage
IRIDIUM IX® SPARK PLUGS
The most technologically advanced high performance plugs available. Featuring a 0.6 mm iridium center electrode tip, styles that offer superior ignitability without sacrificing durability.